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Movement of Axes Comes to Sudden Stop

Posted by csteriov 
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csteriov
Movement of Axes Comes to Sudden Stop
July 29, 2014 03:34PM
Hello all, I have finally uploaded my Marlin V1 firmware onto my Melzi 2.0 motherboard. My axes all move when testing however, they come to a sudden stop (almost as like they are homing) in the middle of the rods (either x, y or z rods...not even close to where the endstops are located) and will not move again when pressed to go the opposite direction. Can someone please help!

Thank you.
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cat.farmer
Re: Movement of Axes Comes to Sudden Stop
July 29, 2014 06:58PM
Press and hold one of the endstops and see if that axis will move. If so you need to invert your endstops. M119 will also report your endstop status.
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csteriov
Re: Movement of Axes Comes to Sudden Stop
July 30, 2014 08:43AM
I tried that and yes all axes still move. I also typed in the M119 command and received x_min:H y_min:H z_min:H

An additional problem i now have is that my extruder heats up on its own and my hotbed stays at 0.
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tjb1
Re: Movement of Axes Comes to Sudden Stop
August 04, 2014 10:06AM
Quote
csteriov
I tried that and yes all axes still move. I also typed in the M119 command and received x_min:H y_min:H z_min:H

An additional problem i now have is that my extruder heats up on its own and my hotbed stays at 0.

That would mean that all endstops are active/on...
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csteriov
Re: Movement of Axes Comes to Sudden Stop
August 05, 2014 12:53PM
Okay solved that matter, now my hotbed reads a -temp as soon as I connect my printer to my computer. How do I fix this?
Thanks for your help.
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tjb1
Re: Movement of Axes Comes to Sudden Stop
August 05, 2014 02:34PM
Reads a temp? You need to elaborate, the host is suppose to display a temperature of both the hotend and heatedbed if present. Temperatures should be around 20C at room temp.
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csteriov
Re: Movement of Axes Comes to Sudden Stop
August 05, 2014 02:41PM
My hotend is correct (around room temperature) however, my hotbed says a negative temperature.
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tjb1
Re: Movement of Axes Comes to Sudden Stop
August 05, 2014 03:06PM
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csteriov
My hotend is correct (around room temperature) however, my hotbed says a negative temperature.

Did you set the correct thermistor?
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